Filters airborne allergens including dust, dirt and pollen. Reduces dust and dirt buildup in air ducts, air conditioners and furnace systems. Filter is made of a synthetic material for resistance to growth of bacteria, fungi and mold. More efficient than fiberglass filters. Cardboard frame.
This is a standard grade furnace filter of the same type that has been protecting furnaces and central air conditioners around the world for over 50 years. The filtering medium is continuous filament spun glass. The frame is made with 1 continuous piece of chipboard to guard against corner separation.…
Filters airborne allergens including dust, dirt and pollen. Reduces dust and dirt buildup in air ducts, air conditioners and furnace systems. Filter is made of a synthetic material for resistance to growth of bacteria, fungi and mold. More efficient than fiberglass filters. Cardboard frame.
Do it Best MERV 6 efficiency rated HVAC (Heating Ventilation and Air Conditioning) air filters are 5 times more effective than standard fiberglass filters. Protects furnace and central air equipment from household dust and lint. Effective for up to 60 days. Gray label.